龄

龄 [líng] 名

1. ■ （岁数） age; years:

老龄 old age; advanced in years;

学龄儿童 school-age children;

高龄 advanced in years;

同龄 the same age

2. ■ （年限） length of time; duration:

军龄 length of military service;

工龄 length of service; years of service

3. ■ （某些生物体发育过程中不同的阶段） instar:

成虫龄 adult instar;

幼虫龄 larval instar;

蛹龄 pupal instar